/*************************************************************************************************
 * The test cases of the hash database API
 *                                                               Copyright (C) 2006-2012 FAL Labs
 * This file is part of Tokyo Cabinet.
 * Tokyo Cabinet is free software; you can redistribute it and/or modify it under the terms of
 * the GNU Lesser General Public License as published by the Free Software Foundation; either
 * version 2.1 of the License or any later version.  Tokyo Cabinet is distributed in the hope
 * that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
 * License for more details.
 * You should have received a copy of the GNU Lesser General Public License along with Tokyo
 * Cabinet; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307 USA.
 *************************************************************************************************/


#include <tcutil.h>
#include <tchdb.h>
#include "myconf.h"

#define RECBUFSIZ      48                // buffer for records


/* global variables */
const char *g_progname; // program name
unsigned int g_randseed; // random seed
HANDLE g_dbgfd = INVALID_HANDLE_VALUE; // debugging output


/* function prototypes */
int main(int argc, char **argv);
static void usage(void);
static void iprintf(const char *format, ...);
static void iputchar(int c);
static void eprint(TCHDB *hdb, int line, const char *func);
static void mprint(TCHDB *hdb);
static void sysprint(void);
static int myrand(int range);
static void *pdprocfunc(const void *vbuf, int vsiz, int *sp, void *op);
static bool iterfunc(const void *kbuf, int ksiz, const void *vbuf, int vsiz, void *op);
static int runwrite(int argc, char **argv);
static int runread(int argc, char **argv);
static int runremove(int argc, char **argv);
static int runrcat(int argc, char **argv);
static int runmisc(int argc, char **argv);
static int runwicked(int argc, char **argv);
static int procwrite(const char *path, int rnum, int bnum, int apow, int fpow,
        bool mt, int opts, int rcnum, int xmsiz, int dfunit, int omode,
        bool as, bool rnd);
static int procread(const char *path, bool mt, int rcnum, int xmsiz, int dfunit, int omode,
        bool wb, bool rnd);
static int procremove(const char *path, bool mt, int rcnum, int xmsiz, int dfunit, int omode,
        bool rnd);
static int procrcat(const char *path, int rnum, int bnum, int apow, int fpow,
        bool mt, int opts, int rcnum, int xmsiz, int dfunit, int omode, int pnum,
        bool dai, bool dad, bool rl, bool ru);
static int procmisc(const char *path, int rnum, bool mt, int opts, int omode);
static int procwicked(const char *path, int rnum, bool mt, int opts, int omode);

/* main routine */
int main(int argc, char **argv) {

    g_progname = argv[0];
    const char *ebuf = getenv("TCRNDSEED");
    g_randseed = ebuf ? tcatoix(ebuf) : tctime() * 1000;
    srand(g_randseed);
    g_dbgfd = INVALID_HANDLE_VALUE;
    ebuf = getenv("TCDBGFD");
    if (ebuf) {
        int debugfd = tcatoix(ebuf);
#ifdef _WIN32
        g_dbgfd = (HANDLE) _get_osfhandle(debugfd);
#else
        g_dbgfd = debugfd;
#endif
    }
    if (argc < 2) usage();
    int rv = 0;
    if (!strcmp(argv[1], "write")) {
        rv = runwrite(argc, argv);
    } else if (!strcmp(argv[1], "read")) {
        rv = runread(argc, argv);
    } else if (!strcmp(argv[1], "remove")) {
        rv = runremove(argc, argv);
    } else if (!strcmp(argv[1], "rcat")) {
        rv = runrcat(argc, argv);
    } else if (!strcmp(argv[1], "misc")) {
        rv = runmisc(argc, argv);
    } else if (!strcmp(argv[1], "wicked")) {
        rv = runwicked(argc, argv);
    } else {
        usage();
    }
    if (rv != 0) {
        printf("FAILED: TCRNDSEED=%u PID=%d", g_randseed, (int) getpid());
        for (int i = 0; i < argc; i++) {
            printf(" %s", argv[i]);
        }
        printf("\n\n");
    }
    return rv;
}

/* print the usage and exit */
static void usage(void) {
    fprintf(stderr, "%s: test cases of the hash database API of Tokyo Cabinet\n", g_progname);
    fprintf(stderr, "\n");
    fprintf(stderr, "usage:\n");
    fprintf(stderr, "  %s write [-mt] [-tl] [-td|-tb|-tt|-tx] [-rc num] [-xm num] [-df num]"
            " [-nl|-nb] [-as] [-rnd] path rnum [bnum [apow [fpow]]]\n", g_progname);
    fprintf(stderr, "  %s read [-mt] [-rc num] [-xm num] [-df num] [-nl|-nb] [-wb] [-rnd] path\n",
            g_progname);
    fprintf(stderr, "  %s remove [-mt] [-rc num] [-xm num] [-df num] [-nl|-nb] [-rnd] path\n",
            g_progname);
    fprintf(stderr, "  %s rcat [-mt] [-tl] [-td|-tb|-tt|-tx] [-rc num] [-xm num] [-df num]"
            " [-nl|-nb] [-pn num] [-dai|-dad|-rl|-ru] path rnum [bnum [apow [fpow]]]\n",
            g_progname);
    fprintf(stderr, "  %s misc [-mt] [-tl] [-td|-tb|-tt|-tx] [-nl|-nb] path rnum\n", g_progname);
    fprintf(stderr, "  %s wicked [-mt] [-tl] [-td|-tb|-tt|-tx] [-nl|-nb] path rnum\n", g_progname);
    fprintf(stderr, "\n");
    exit(1);
}

/* print formatted information string and flush the buffer */
static void iprintf(const char *format, ...) {
    va_list ap;
    va_start(ap, format);
    vprintf(format, ap);
    fflush(stdout);
    va_end(ap);
}

/* print a character and flush the buffer */
static void iputchar(int c) {
    putchar(c);
    fflush(stdout);
}

/* print error message of hash database */
static void eprint(TCHDB *hdb, int line, const char *func) {
    const char *path = tchdbpath(hdb);
    int ecode = tchdbecode(hdb);
    fprintf(stderr, "%s: %s: %d: %s: error: %d: %s\n",
            g_progname, path ? path : "-", line, func, ecode, tchdberrmsg(ecode));
}

/* print members of hash database */
static void mprint(TCHDB *hdb) {
    iprintf("bucket number: %" PRIdMAX "\n", (int64_t) tchdbbnum(hdb));
    iprintf("used bucket number: %" PRIdMAX "\n", (int64_t) tchdbbnumused(hdb));
    iprintf("msiz: %" PRIdMAX "\n", hdb->msiz);
    iprintf("xmsiz: %" PRIdMAX "\n", hdb->xmsiz);
    iprintf("fbpnum: %" PRIdMAX "\n", hdb->fbpnum);
    iprintf("fbpool: %p\n", hdb->fbpool);
#ifndef NDEBUG
    if (hdb->cnt_writerec < 0) return;
    iprintf("cnt_writerec: %" PRIdMAX "\n", (int64_t) hdb->cnt_writerec);
    iprintf("cnt_reuserec: %" PRIdMAX "\n", (int64_t) hdb->cnt_reuserec);
    iprintf("cnt_moverec: %" PRIdMAX "\n", (int64_t) hdb->cnt_moverec);
    iprintf("cnt_readrec: %" PRIdMAX "\n", (int64_t) hdb->cnt_readrec);
    iprintf("cnt_searchfbp: %" PRIdMAX "\n", (int64_t) hdb->cnt_searchfbp);
    iprintf("cnt_insertfbp: %" PRIdMAX "\n", (int64_t) hdb->cnt_insertfbp);
    iprintf("cnt_splicefbp: %" PRIdMAX "\n", (int64_t) hdb->cnt_splicefbp);
    iprintf("cnt_dividefbp: %" PRIdMAX "\n", (int64_t) hdb->cnt_dividefbp);
    iprintf("cnt_mergefbp: %" PRIdMAX "\n", (int64_t) hdb->cnt_mergefbp);
    iprintf("cnt_reducefbp: %" PRIdMAX "\n", (int64_t) hdb->cnt_reducefbp);
    iprintf("cnt_appenddrp: %" PRIdMAX "\n", (int64_t) hdb->cnt_appenddrp);
    iprintf("cnt_deferdrp: %" PRIdMAX "\n", (int64_t) hdb->cnt_deferdrp);
    iprintf("cnt_flushdrp: %" PRIdMAX "\n", (int64_t) hdb->cnt_flushdrp);
    iprintf("cnt_adjrecc: %" PRIdMAX "\n", (int64_t) hdb->cnt_adjrecc);
    iprintf("cnt_defrag: %" PRIdMAX "\n", (int64_t) hdb->cnt_defrag);
    iprintf("cnt_shiftrec: %" PRIdMAX "\n", (int64_t) hdb->cnt_shiftrec);
    iprintf("cnt_trunc: %" PRIdMAX "\n", (int64_t) hdb->cnt_trunc);
#endif
}

/* print system information */
static void sysprint(void) {
    TCMAP *info = tcsysinfo();
    if (info) {
        tcmapiterinit(info);
        const char *kbuf;
        while ((kbuf = tcmapiternext2(info)) != NULL) {
            iprintf("sys_%s: %s\n", kbuf, tcmapiterval2(kbuf));
        }
        tcmapdel(info);
    }
}

/* get a random number */
static int myrand(int range) {
    if (range < 2) return 0;
    int high = (unsigned int) rand() >> 4;
    int low = range * (rand() / (RAND_MAX + 1.0));
    low &= (unsigned int) INT_MAX >> 4;
    return (high + low) % range;
}

/* duplication callback function */
static void *pdprocfunc(const void *vbuf, int vsiz, int *sp, void *op) {
    if (op) {
        char *buf = NULL;
        int len = 0;
        switch ((int) (intptr_t) op) {
            case 1:
                len = vsiz + 1;
                buf = tcmalloc(len + 1);
                memset(buf, '*', len);
                break;
            case 2:
                buf = (void *) - 1;
                break;
        }
        *sp = len;
        return buf;
    }
    if (myrand(4) == 0) return (void *) - 1;
    if (myrand(2) == 0) return NULL;
    int len = myrand(RECBUFSIZ);
    char buf[RECBUFSIZ];
    memset(buf, '*', len);
    *sp = len;
    return tcmemdup(buf, len);
}

/* iterator function */
static bool iterfunc(const void *kbuf, int ksiz, const void *vbuf, int vsiz, void *op) {
    unsigned int sum = 0;
    while (--ksiz >= 0) {
        sum += ((char *) kbuf)[ksiz];
    }
    while (--vsiz >= 0) {
        sum += ((char *) vbuf)[vsiz];
    }
    return myrand(100 + (sum & 0xff)) > 0;
}

/* parse arguments of write command */
static int runwrite(int argc, char **argv) {
    char *path = NULL;
    char *rstr = NULL;
    char *bstr = NULL;
    char *astr = NULL;
    char *fstr = NULL;
    bool mt = false;
    int opts = 0;
    int rcnum = 0;
    int xmsiz = -1;
    int dfunit = 0;
    int omode = 0;
    bool as = false;
    bool rnd = false;
    for (int i = 2; i < argc; i++) {
        if (!path && argv[i][0] == '-') {
            if (!strcmp(argv[i], "-mt")) {
                mt = true;
            } else if (!strcmp(argv[i], "-tl")) {
                opts |= HDBTLARGE;
            } else if (!strcmp(argv[i], "-td")) {
                opts |= HDBTDEFLATE;
            } else if (!strcmp(argv[i], "-tb")) {
                opts |= HDBTBZIP;
            } else if (!strcmp(argv[i], "-tt")) {
                opts |= HDBTTCBS;
            } else if (!strcmp(argv[i], "-tx")) {
                opts |= HDBTEXCODEC;
            } else if (!strcmp(argv[i], "-rc")) {
                if (++i >= argc) usage();
                rcnum = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-xm")) {
                if (++i >= argc) usage();
                xmsiz = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-df")) {
                if (++i >= argc) usage();
                dfunit = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-nl")) {
                omode |= HDBONOLCK;
            } else if (!strcmp(argv[i], "-nb")) {
                omode |= HDBOLCKNB;
            } else if (!strcmp(argv[i], "-as")) {
                as = true;
            } else if (!strcmp(argv[i], "-rnd")) {
                rnd = true;
            } else {
                usage();
            }
        } else if (!path) {
            path = argv[i];
        } else if (!rstr) {
            rstr = argv[i];
        } else if (!bstr) {
            bstr = argv[i];
        } else if (!astr) {
            astr = argv[i];
        } else if (!fstr) {
            fstr = argv[i];
        } else {
            usage();
        }
    }
    if (!path || !rstr) usage();
    int rnum = tcatoix(rstr);
    if (rnum < 1) usage();
    int bnum = bstr ? tcatoix(bstr) : -1;
    int apow = astr ? tcatoix(astr) : -1;
    int fpow = fstr ? tcatoix(fstr) : -1;
    int rv = procwrite(path, rnum, bnum, apow, fpow,
            mt, opts, rcnum, xmsiz, dfunit, omode, as, rnd);
    return rv;
}

/* parse arguments of read command */
static int runread(int argc, char **argv) {
    char *path = NULL;
    bool mt = false;
    int rcnum = 0;
    int xmsiz = -1;
    int dfunit = 0;
    int omode = 0;
    bool wb = false;
    bool rnd = false;
    for (int i = 2; i < argc; i++) {
        if (!path && argv[i][0] == '-') {
            if (!strcmp(argv[i], "-mt")) {
                mt = true;
            } else if (!strcmp(argv[i], "-rc")) {
                if (++i >= argc) usage();
                rcnum = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-xm")) {
                if (++i >= argc) usage();
                xmsiz = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-df")) {
                if (++i >= argc) usage();
                dfunit = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-nl")) {
                omode |= HDBONOLCK;
            } else if (!strcmp(argv[i], "-nb")) {
                omode |= HDBOLCKNB;
            } else if (!strcmp(argv[i], "-wb")) {
                wb = true;
            } else if (!strcmp(argv[i], "-rnd")) {
                rnd = true;
            } else {
                usage();
            }
        } else if (!path) {
            path = argv[i];
        } else {
            usage();
        }
    }
    if (!path) usage();
    int rv = procread(path, mt, rcnum, xmsiz, dfunit, omode, wb, rnd);
    return rv;
}

/* parse arguments of remove command */
static int runremove(int argc, char **argv) {
    char *path = NULL;
    bool mt = false;
    int rcnum = 0;
    int xmsiz = -1;
    int dfunit = 0;
    int omode = 0;
    bool rnd = false;
    for (int i = 2; i < argc; i++) {
        if (!path && argv[i][0] == '-') {
            if (!strcmp(argv[i], "-mt")) {
                mt = true;
            } else if (!strcmp(argv[i], "-rc")) {
                if (++i >= argc) usage();
                rcnum = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-xm")) {
                if (++i >= argc) usage();
                xmsiz = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-df")) {
                if (++i >= argc) usage();
                dfunit = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-nl")) {
                omode |= HDBONOLCK;
            } else if (!strcmp(argv[i], "-nb")) {
                omode |= HDBOLCKNB;
            } else if (!strcmp(argv[i], "-rnd")) {
                rnd = true;
            } else {
                usage();
            }
        } else if (!path) {
            path = argv[i];
        } else {
            usage();
        }
    }
    if (!path) usage();
    int rv = procremove(path, mt, rcnum, xmsiz, dfunit, omode, rnd);
    return rv;
}

/* parse arguments of rcat command */
static int runrcat(int argc, char **argv) {
    char *path = NULL;
    char *rstr = NULL;
    char *bstr = NULL;
    char *astr = NULL;
    char *fstr = NULL;
    bool mt = false;
    int opts = 0;
    int rcnum = 0;
    int xmsiz = -1;
    int dfunit = 0;
    int omode = 0;
    int pnum = 0;
    bool dai = false;
    bool dad = false;
    bool rl = false;
    bool ru = false;
    for (int i = 2; i < argc; i++) {
        if (!path && argv[i][0] == '-') {
            if (!strcmp(argv[i], "-mt")) {
                mt = true;
            } else if (!strcmp(argv[i], "-tl")) {
                opts |= HDBTLARGE;
            } else if (!strcmp(argv[i], "-td")) {
                opts |= HDBTDEFLATE;
            } else if (!strcmp(argv[i], "-tb")) {
                opts |= HDBTBZIP;
            } else if (!strcmp(argv[i], "-tt")) {
                opts |= HDBTTCBS;
            } else if (!strcmp(argv[i], "-tx")) {
                opts |= HDBTEXCODEC;
            } else if (!strcmp(argv[i], "-rc")) {
                if (++i >= argc) usage();
                rcnum = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-xm")) {
                if (++i >= argc) usage();
                xmsiz = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-df")) {
                if (++i >= argc) usage();
                dfunit = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-nl")) {
                omode |= HDBONOLCK;
            } else if (!strcmp(argv[i], "-nb")) {
                omode |= HDBOLCKNB;
            } else if (!strcmp(argv[i], "-pn")) {
                if (++i >= argc) usage();
                pnum = tcatoix(argv[i]);
            } else if (!strcmp(argv[i], "-dai")) {
                dai = true;
            } else if (!strcmp(argv[i], "-dad")) {
                dad = true;
            } else if (!strcmp(argv[i], "-rl")) {
                rl = true;
            } else if (!strcmp(argv[i], "-ru")) {
                ru = true;
            } else {
                usage();
            }
        } else if (!path) {
            path = argv[i];
        } else if (!rstr) {
            rstr = argv[i];
        } else if (!bstr) {
            bstr = argv[i];
        } else if (!astr) {
            astr = argv[i];
        } else if (!fstr) {
            fstr = argv[i];
        } else {
            usage();
        }
    }
    if (!path || !rstr) usage();
    int rnum = tcatoix(rstr);
    if (rnum < 1) usage();
    int bnum = bstr ? tcatoix(bstr) : -1;
    int apow = astr ? tcatoix(astr) : -1;
    int fpow = fstr ? tcatoix(fstr) : -1;
    int rv = procrcat(path, rnum, bnum, apow, fpow, mt, opts, rcnum, xmsiz, dfunit, omode, pnum,
            dai, dad, rl, ru);
    return rv;
}

/* parse arguments of misc command */
static int runmisc(int argc, char **argv) {
    char *path = NULL;
    char *rstr = NULL;
    bool mt = false;
    int opts = 0;
    int omode = 0;
    for (int i = 2; i < argc; i++) {
        if (!path && argv[i][0] == '-') {
            if (!strcmp(argv[i], "-mt")) {
                mt = true;
            } else if (!strcmp(argv[i], "-tl")) {
                opts |= HDBTLARGE;
            } else if (!strcmp(argv[i], "-td")) {
                opts |= HDBTDEFLATE;
            } else if (!strcmp(argv[i], "-tb")) {
                opts |= HDBTBZIP;
            } else if (!strcmp(argv[i], "-tt")) {
                opts |= HDBTTCBS;
            } else if (!strcmp(argv[i], "-tx")) {
                opts |= HDBTEXCODEC;
            } else if (!strcmp(argv[i], "-nl")) {
                omode |= HDBONOLCK;
            } else if (!strcmp(argv[i], "-nb")) {
                omode |= HDBOLCKNB;
            } else {
                usage();
            }
        } else if (!path) {
            path = argv[i];
        } else if (!rstr) {
            rstr = argv[i];
        } else {
            usage();
        }
    }
    if (!path || !rstr) usage();
    int rnum = tcatoix(rstr);
    if (rnum < 1) usage();
    int rv = procmisc(path, rnum, mt, opts, omode);
    return rv;
}

/* parse arguments of wicked command */
static int runwicked(int argc, char **argv) {
    char *path = NULL;
    char *rstr = NULL;
    bool mt = false;
    int opts = 0;
    int omode = 0;
    for (int i = 2; i < argc; i++) {
        if (!path && argv[i][0] == '-') {
            if (!strcmp(argv[i], "-mt")) {
                mt = true;
            } else if (!strcmp(argv[i], "-tl")) {
                opts |= HDBTLARGE;
            } else if (!strcmp(argv[i], "-td")) {
                opts |= HDBTDEFLATE;
            } else if (!strcmp(argv[i], "-tb")) {
                opts |= HDBTBZIP;
            } else if (!strcmp(argv[i], "-tt")) {
                opts |= HDBTTCBS;
            } else if (!strcmp(argv[i], "-tx")) {
                opts |= HDBTEXCODEC;
            } else if (!strcmp(argv[i], "-nl")) {
                omode |= HDBONOLCK;
            } else if (!strcmp(argv[i], "-nb")) {
                omode |= HDBOLCKNB;
            } else {
                usage();
            }
        } else if (!path) {
            path = argv[i];
        } else if (!rstr) {
            rstr = argv[i];
        } else {
            usage();
        }
    }
    if (!path || !rstr) usage();
    int rnum = tcatoix(rstr);
    if (rnum < 1) usage();
    int rv = procwicked(path, rnum, mt, opts, omode);
    return rv;
}

/* perform write command */
static int procwrite(const char *path, int rnum, int bnum, int apow, int fpow,
        bool mt, int opts, int rcnum, int xmsiz, int dfunit, int omode,
        bool as, bool rnd) {
    iprintf("<Writing Test>\n  seed=%u  path=%s  rnum=%d  bnum=%d  apow=%d  fpow=%d  mt=%d"
            "  opts=%d  rcnum=%d  xmsiz=%d  dfunit=%d  omode=%d  as=%d  rnd=%d\n\n",
            g_randseed, path, rnum, bnum, apow, fpow, mt, opts, rcnum, xmsiz, dfunit,
            omode, as, rnd);
    bool err = false;
    double stime = tctime();
    TCHDB *hdb = tchdbnew();
    if (!INVALIDHANDLE(g_dbgfd)) tchdbsetdbgfd(hdb, g_dbgfd);
    if (mt && !tchdbsetmutex(hdb)) {
        eprint(hdb, __LINE__, "tchdbsetmutex");
        err = true;
    }
    if (!tchdbsetcodecfunc(hdb, _tc_recencode, NULL, _tc_recdecode, NULL)) {
        eprint(hdb, __LINE__, "tchdbsetcodecfunc");
        err = true;
    }
    if (!tchdbtune(hdb, bnum, apow, fpow, opts)) {
        eprint(hdb, __LINE__, "tchdbtune");
        err = true;
    }
    if (!tchdbsetcache(hdb, rcnum)) {
        eprint(hdb, __LINE__, "tchdbsetcache");
        err = true;
    }
    if (xmsiz >= 0 && !tchdbsetxmsiz(hdb, xmsiz)) {
        eprint(hdb, __LINE__, "tchdbsetxmsiz");
        err = true;
    }
    if (dfunit >= 0 && !tchdbsetdfunit(hdb, dfunit)) {
        eprint(hdb, __LINE__, "tchdbsetdfunit");
        err = true;
    }
    if (!rnd) omode |= HDBOTRUNC;
    if (!tchdbopen(hdb, path, HDBOWRITER | HDBOCREAT | omode)) {
        eprint(hdb, __LINE__, "tchdbopen");
        err = true;
    }
    for (int i = 1; i <= rnum; i++) {
        char buf[RECBUFSIZ];
        int len = sprintf(buf, "%08d", rnd ? myrand(rnum) + 1 : i);
        if (as) {
            if (!tchdbputasync(hdb, buf, len, buf, len)) {
                eprint(hdb, __LINE__, "tchdbput");
                err = true;
                break;
            }
        } else {
            if (!tchdbput(hdb, buf, len, buf, len)) {
                eprint(hdb, __LINE__, "tchdbput");
                err = true;
                break;
            }
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    iprintf("record number: %" PRIuMAX "\n", (uint64_t) tchdbrnum(hdb));
    iprintf("size: %" PRIuMAX "\n", (uint64_t) tchdbfsiz(hdb));
    mprint(hdb);
    sysprint();
    if (!tchdbclose(hdb)) {
        eprint(hdb, __LINE__, "tchdbclose");
        err = true;
    }
    tchdbdel(hdb);
    iprintf("time: %.3f\n", tctime() - stime);
    iprintf("%s\n\n", err ? "error" : "ok");
    return err ? 1 : 0;
}

/* perform read command */
static int procread(const char *path, bool mt, int rcnum, int xmsiz, int dfunit, int omode,
        bool wb, bool rnd) {
    iprintf("<Reading Test>\n  seed=%u  path=%s  mt=%d  rcnum=%d  xmsiz=%d  dfunit=%d  omode=%d"
            "  wb=%d  rnd=%d\n\n", g_randseed, path, mt, rcnum, xmsiz, dfunit, omode, wb, rnd);
    bool err = false;
    double stime = tctime();
    TCHDB *hdb = tchdbnew();
    if (!INVALIDHANDLE(g_dbgfd)) tchdbsetdbgfd(hdb, g_dbgfd);
    if (mt && !tchdbsetmutex(hdb)) {
        eprint(hdb, __LINE__, "tchdbsetmutex");
        err = true;
    }
    if (!tchdbsetcodecfunc(hdb, _tc_recencode, NULL, _tc_recdecode, NULL)) {
        eprint(hdb, __LINE__, "tchdbsetcodecfunc");
        err = true;
    }
    if (!tchdbsetcache(hdb, rcnum)) {
        eprint(hdb, __LINE__, "tchdbsetcache");
        err = true;
    }
    if (xmsiz >= 0 && !tchdbsetxmsiz(hdb, xmsiz)) {
        eprint(hdb, __LINE__, "tchdbsetxmsiz");
        err = true;
    }
    if (dfunit >= 0 && !tchdbsetdfunit(hdb, dfunit)) {
        eprint(hdb, __LINE__, "tchdbsetdfunit");
        err = true;
    }
    if (!tchdbopen(hdb, path, HDBOREADER | omode)) {
        eprint(hdb, __LINE__, "tchdbopen");
        err = true;
    }
    int rnum = tchdbrnum(hdb);
    for (int i = 1; i <= rnum; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%08d", rnd ? myrand(rnum) + 1 : i);
        int vsiz;
        if (wb) {
            char vbuf[RECBUFSIZ];
            int vsiz = tchdbget3(hdb, kbuf, ksiz, vbuf, RECBUFSIZ);
            if (vsiz < 0 && !(rnd && tchdbecode(hdb) == TCENOREC)) {
                eprint(hdb, __LINE__, "tchdbget3");
                err = true;
                break;
            }
        } else {
            char *vbuf = tchdbget(hdb, kbuf, ksiz, &vsiz);
            if (!vbuf && !(rnd && tchdbecode(hdb) == TCENOREC)) {
                eprint(hdb, __LINE__, "tchdbget");
                err = true;
                break;
            }
            tcfree(vbuf);
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    iprintf("record number: %" PRIuMAX "\n", (uint64_t) tchdbrnum(hdb));
    iprintf("size: %" PRIuMAX "\n", (uint64_t) tchdbfsiz(hdb));
    mprint(hdb);
    sysprint();
    if (!tchdbclose(hdb)) {
        eprint(hdb, __LINE__, "tchdbclose");
        err = true;
    }
    tchdbdel(hdb);
    iprintf("time: %.3f\n", tctime() - stime);
    iprintf("%s\n\n", err ? "error" : "ok");
    return err ? 1 : 0;
}

/* perform remove command */
static int procremove(const char *path, bool mt, int rcnum, int xmsiz, int dfunit, int omode,
        bool rnd) {
    iprintf("<Removing Test>\n  seed=%u  path=%s  mt=%d  rcnum=%d  xmsiz=%d  dfunit=%d"
            "  omode=%d  rnd=%d\n\n", g_randseed, path, mt, rcnum, xmsiz, dfunit, omode, rnd);
    bool err = false;
    double stime = tctime();
    TCHDB *hdb = tchdbnew();
    if (!INVALIDHANDLE(g_dbgfd)) tchdbsetdbgfd(hdb, g_dbgfd);
    if (mt && !tchdbsetmutex(hdb)) {
        eprint(hdb, __LINE__, "tchdbsetmutex");
        err = true;
    }
    if (!tchdbsetcodecfunc(hdb, _tc_recencode, NULL, _tc_recdecode, NULL)) {
        eprint(hdb, __LINE__, "tchdbsetcodecfunc");
        err = true;
    }
    if (!tchdbsetcache(hdb, rcnum)) {
        eprint(hdb, __LINE__, "tchdbsetcache");
        err = true;
    }
    if (xmsiz >= 0 && !tchdbsetxmsiz(hdb, xmsiz)) {
        eprint(hdb, __LINE__, "tchdbsetxmsiz");
        err = true;
    }
    if (dfunit >= 0 && !tchdbsetdfunit(hdb, dfunit)) {
        eprint(hdb, __LINE__, "tchdbsetdfunit");
        err = true;
    }
    if (!tchdbopen(hdb, path, HDBOWRITER | omode)) {
        eprint(hdb, __LINE__, "tchdbopen");
        err = true;
    }
    int rnum = tchdbrnum(hdb);
    for (int i = 1; i <= rnum; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%08d", rnd ? myrand(rnum) + 1 : i);
        if (!tchdbout(hdb, kbuf, ksiz) && !(rnd && tchdbecode(hdb) == TCENOREC)) {
            eprint(hdb, __LINE__, "tchdbout");
            err = true;
            break;
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    iprintf("record number: %" PRIuMAX "\n", (uint64_t) tchdbrnum(hdb));
    iprintf("size: %" PRIuMAX "\n", (uint64_t) tchdbfsiz(hdb));
    mprint(hdb);
    sysprint();
    if (!tchdbclose(hdb)) {
        eprint(hdb, __LINE__, "tchdbclose");
        err = true;
    }
    tchdbdel(hdb);
    iprintf("time: %.3f\n", tctime() - stime);
    iprintf("%s\n\n", err ? "error" : "ok");
    return err ? 1 : 0;
}

/* perform rcat command */
static int procrcat(const char *path, int rnum, int bnum, int apow, int fpow,
        bool mt, int opts, int rcnum, int xmsiz, int dfunit, int omode, int pnum,
        bool dai, bool dad, bool rl, bool ru) {
    iprintf("<Random Concatenating Test>\n"
            "  seed=%u  path=%s  rnum=%d  bnum=%d  apow=%d  fpow=%d  mt=%d  opts=%d"
            "  rcnum=%d  xmsiz=%d  dfunit=%d  omode=%d  pnum=%d  dai=%d  dad=%d  rl=%d  ru=%d\n\n",
            g_randseed, path, rnum, bnum, apow, fpow, mt, opts, rcnum, xmsiz, dfunit, omode, pnum,
            dai, dad, rl, ru);
    if (pnum < 1) pnum = rnum;
    bool err = false;
    double stime = tctime();
    TCHDB *hdb = tchdbnew();
    if (!INVALIDHANDLE(g_dbgfd)) tchdbsetdbgfd(hdb, g_dbgfd);
    if (mt && !tchdbsetmutex(hdb)) {
        eprint(hdb, __LINE__, "tchdbsetmutex");
        err = true;
    }
    if (!tchdbsetcodecfunc(hdb, _tc_recencode, NULL, _tc_recdecode, NULL)) {
        eprint(hdb, __LINE__, "tchdbsetcodecfunc");
        err = true;
    }
    if (!tchdbtune(hdb, bnum, apow, fpow, opts)) {
        eprint(hdb, __LINE__, "tchdbtune");
        err = true;
    }
    if (!tchdbsetcache(hdb, rcnum)) {
        eprint(hdb, __LINE__, "tchdbsetcache");
        err = true;
    }
    if (xmsiz >= 0 && !tchdbsetxmsiz(hdb, xmsiz)) {
        eprint(hdb, __LINE__, "tchdbsetxmsiz");
        err = true;
    }
    if (dfunit >= 0 && !tchdbsetdfunit(hdb, dfunit)) {
        eprint(hdb, __LINE__, "tchdbsetdfunit");
        err = true;
    }
    if (!tchdbopen(hdb, path, HDBOWRITER | HDBOCREAT | HDBOTRUNC | omode)) {
        eprint(hdb, __LINE__, "tchdbopen");
        err = true;
    }
    for (int i = 1; i <= rnum; i++) {
        if (ru) {
            char fmt[RECBUFSIZ];
            sprintf(fmt, "%%0%dd", myrand(RECBUFSIZ));
            char kbuf[RECBUFSIZ];
            int ksiz = sprintf(kbuf, fmt, myrand(pnum));
            switch (myrand(8)) {
                case 0:
                    if (!tchdbput(hdb, kbuf, ksiz, kbuf, ksiz)) {
                        eprint(hdb, __LINE__, "tchdbput");
                        err = true;
                    }
                    break;
                case 1:
                    if (!tchdbputkeep(hdb, kbuf, ksiz, kbuf, ksiz) && tchdbecode(hdb) != TCEKEEP) {
                        eprint(hdb, __LINE__, "tchdbputkeep");
                        err = true;
                    }
                    break;
                case 2:
                    if (!tchdbout(hdb, kbuf, ksiz) && tchdbecode(hdb) != TCENOREC) {
                        eprint(hdb, __LINE__, "tchdbout");
                        err = true;
                    }
                    break;
                case 3:
                    if (tchdbaddint(hdb, kbuf, ksiz, 1) == INT_MIN && tchdbecode(hdb) != TCEKEEP) {
                        eprint(hdb, __LINE__, "tchdbaddint");
                        err = true;
                    }
                    break;
                case 4:
                    if (isnan(tchdbadddouble(hdb, kbuf, ksiz, 1.0)) && tchdbecode(hdb) != TCEKEEP) {
                        eprint(hdb, __LINE__, "tchdbadddouble");
                        err = true;
                    }
                    break;
                case 5:
                    if (myrand(2) == 0) {
                        if (!tchdbputproc(hdb, kbuf, ksiz, kbuf, ksiz, pdprocfunc, NULL) &&
                                tchdbecode(hdb) != TCEKEEP) {
                            eprint(hdb, __LINE__, "tchdbputproc");
                            err = true;
                        }
                    } else {
                        if (!tchdbputproc(hdb, kbuf, ksiz, NULL, 0, pdprocfunc, NULL) &&
                                tchdbecode(hdb) != TCEKEEP && tchdbecode(hdb) != TCENOREC) {
                            eprint(hdb, __LINE__, "tchdbputproc");
                            err = true;
                        }
                    }
                    break;
                default:
                    if (!tchdbputcat(hdb, kbuf, ksiz, kbuf, ksiz)) {
                        eprint(hdb, __LINE__, "tchdbputcat");
                        err = true;
                    }
                    break;
            }
            if (err) break;
        } else {
            char kbuf[RECBUFSIZ];
            int ksiz = sprintf(kbuf, "%d", myrand(pnum));
            if (dai) {
                if (tchdbaddint(hdb, kbuf, ksiz, myrand(3)) == INT_MIN) {
                    eprint(hdb, __LINE__, "tchdbaddint");
                    err = true;
                    break;
                }
            } else if (dad) {
                if (isnan(tchdbadddouble(hdb, kbuf, ksiz, myrand(30) / 10.0))) {
                    eprint(hdb, __LINE__, "tchdbadddouble");
                    err = true;
                    break;
                }
            } else if (rl) {
                char vbuf[PATH_MAX];
                int vsiz = myrand(PATH_MAX);
                for (int j = 0; j < vsiz; j++) {
                    vbuf[j] = myrand(0x100);
                }
                if (!tchdbputcat(hdb, kbuf, ksiz, vbuf, vsiz)) {
                    eprint(hdb, __LINE__, "tchdbputcat");
                    err = true;
                    break;
                }
            } else {
                if (!tchdbputcat(hdb, kbuf, ksiz, kbuf, ksiz)) {
                    eprint(hdb, __LINE__, "tchdbputcat");
                    err = true;
                    break;
                }
            }
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    iprintf("record number: %" PRIuMAX "\n", (uint64_t) tchdbrnum(hdb));
    iprintf("size: %" PRIuMAX "\n", (uint64_t) tchdbfsiz(hdb));
    mprint(hdb);
    sysprint();
    if (!tchdbclose(hdb)) {
        eprint(hdb, __LINE__, "tchdbclose");
        err = true;
    }
    tchdbdel(hdb);
    iprintf("time: %.3f\n", tctime() - stime);
    iprintf("%s\n\n", err ? "error" : "ok");
    return err ? 1 : 0;
}

/* perform misc command */
static int procmisc(const char *path, int rnum, bool mt, int opts, int omode) {
    iprintf("<Miscellaneous Test>\n  seed=%u  path=%s  rnum=%d  mt=%d  opts=%d  omode=%d\n\n",
            g_randseed, path, rnum, mt, opts, omode);
    bool err = false;
    double stime = tctime();
    TCHDB *hdb = tchdbnew();
    if (!INVALIDHANDLE(g_dbgfd)) tchdbsetdbgfd(hdb, g_dbgfd);
    if (mt && !tchdbsetmutex(hdb)) {
        eprint(hdb, __LINE__, "tchdbsetmutex");
        err = true;
    }
    if (!tchdbsetcodecfunc(hdb, _tc_recencode, NULL, _tc_recdecode, NULL)) {
        eprint(hdb, __LINE__, "tchdbsetcodecfunc");
        err = true;
    }
    if (!tchdbtune(hdb, rnum / 50, 2, -1, opts)) {
        eprint(hdb, __LINE__, "tchdbtune");
        err = true;
    }
    if (!tchdbsetcache(hdb, rnum / 10)) {
        eprint(hdb, __LINE__, "tchdbsetcache");
        err = true;
    }
    if (!tchdbsetxmsiz(hdb, rnum * sizeof (int))) {
        eprint(hdb, __LINE__, "tchdbsetxmsiz");
        err = true;
    }
    if (!tchdbsetdfunit(hdb, 8)) {
        eprint(hdb, __LINE__, "tchdbsetdfunit");
        err = true;
    }
    if (!tchdbopen(hdb, path, HDBOWRITER | HDBOCREAT | HDBOTRUNC | omode)) {
        eprint(hdb, __LINE__, "tchdbopen");
        err = true;
    }
    if (1) {
        TCHDB *hdbdup = tchdbnew();
        if (tchdbopen(hdbdup, path, HDBOREADER)) {
            eprint(hdb, __LINE__, "(validation)");
            err = true;
        } else if (tchdbecode(hdbdup) != TCETHREAD) {
            eprint(hdb, __LINE__, "(validation)");
            err = true;
        }
        tchdbdel(hdbdup);
    }
    iprintf("writing:\n");
    for (int i = 1; i <= rnum; i++) {
        char buf[RECBUFSIZ];
        int len = sprintf(buf, "%08d", i);
        if (i % 3 == 0) {
            if (!tchdbputkeep(hdb, buf, len, buf, len)) {
                eprint(hdb, __LINE__, "tchdbputkeep");
                err = true;
                break;
            }
        } else {
            if (!tchdbputasync(hdb, buf, len, buf, len)) {
                eprint(hdb, __LINE__, "tchdbputasync");
                err = true;
                break;
            }
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    iprintf("reading:\n");
    for (int i = 1; i <= rnum; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%08d", i);
        int vsiz;
        char *vbuf = tchdbget(hdb, kbuf, ksiz, &vsiz);
        if (!vbuf) {
            eprint(hdb, __LINE__, "tchdbget");
            err = true;
            break;
        } else if (vsiz != ksiz || memcmp(vbuf, kbuf, vsiz)) {
            eprint(hdb, __LINE__, "(validation)");
            err = true;
            tcfree(vbuf);
            break;
        }
        tcfree(vbuf);
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    if (tchdbrnum(hdb) != rnum) {
        eprint(hdb, __LINE__, "(validation)");
        err = true;
    }
    iprintf("random writing:\n");
    for (int i = 1; i <= rnum; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%d", myrand(rnum));
        char vbuf[RECBUFSIZ];
        int vsiz = myrand(RECBUFSIZ);
        memset(vbuf, '*', vsiz);
        if (!tchdbput(hdb, kbuf, ksiz, vbuf, vsiz)) {
            eprint(hdb, __LINE__, "tchdbput");
            err = true;
            break;
        }
        int rsiz;
        char *rbuf = tchdbget(hdb, kbuf, ksiz, &rsiz);
        if (!rbuf) {
            eprint(hdb, __LINE__, "tchdbget");
            err = true;
            break;
        }
        if (rsiz != vsiz || memcmp(rbuf, vbuf, rsiz)) {
            eprint(hdb, __LINE__, "(validation)");
            err = true;
            tcfree(rbuf);
            break;
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
        tcfree(rbuf);
    }
    iprintf("word writing:\n");
    const char *words[] = {
        "a", "A", "bb", "BB", "ccc", "CCC", "dddd", "DDDD", "eeeee", "EEEEEE",
        "mikio", "hirabayashi", "tokyo", "cabinet", "hyper", "estraier", "19780211", "birth day",
        "one", "first", "two", "second", "three", "third", "four", "fourth", "five", "fifth",
        "_[1]_", "uno", "_[2]_", "dos", "_[3]_", "tres", "_[4]_", "cuatro", "_[5]_", "cinco",
        "[\xe5\xb9\xb3\xe6\x9e\x97\xe5\xb9\xb9\xe9\x9b\x84]", "[\xe9\xa6\xac\xe9\xb9\xbf]", NULL
    };
    for (int i = 0; words[i] != NULL; i += 2) {
        const char *kbuf = words[i];
        int ksiz = strlen(kbuf);
        const char *vbuf = words[i + 1];
        int vsiz = strlen(vbuf);
        if (!tchdbputkeep(hdb, kbuf, ksiz, vbuf, vsiz)) {
            eprint(hdb, __LINE__, "tchdbputkeep");
            err = true;
            break;
        }
        if (rnum > 250) iputchar('.');
    }
    if (rnum > 250) iprintf(" (%08d)\n", (int) (sizeof (words) / sizeof (*words)));
    iprintf("random erasing:\n");
    for (int i = 1; i <= rnum; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%d", myrand(rnum));
        if (!tchdbout(hdb, kbuf, ksiz) && tchdbecode(hdb) != TCENOREC) {
            eprint(hdb, __LINE__, "tchdbout");
            err = true;
            break;
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    iprintf("writing:\n");
    for (int i = 1; i <= rnum; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "[%d]", i);
        char vbuf[RECBUFSIZ];
        int vsiz = i % RECBUFSIZ;
        memset(vbuf, '*', vsiz);
        if (!tchdbputkeep(hdb, kbuf, ksiz, vbuf, vsiz)) {
            eprint(hdb, __LINE__, "tchdbputkeep");
            err = true;
            break;
        }
        if (vsiz < 1) {
            char tbuf[PATH_MAX];
            for (int j = 0; j < PATH_MAX; j++) {
                tbuf[j] = myrand(0x100);
            }
            if (!tchdbput(hdb, kbuf, ksiz, tbuf, PATH_MAX)) {
                eprint(hdb, __LINE__, "tchdbput");
                err = true;
                break;
            }
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    iprintf("erasing:\n");
    for (int i = 1; i <= rnum; i++) {
        if (i % 2 == 1) {
            char kbuf[RECBUFSIZ];
            int ksiz = sprintf(kbuf, "[%d]", i);
            if (!tchdbout(hdb, kbuf, ksiz)) {
                eprint(hdb, __LINE__, "tchdbout");
                err = true;
                break;
            }
            if (tchdbout(hdb, kbuf, ksiz) || tchdbecode(hdb) != TCENOREC) {
                eprint(hdb, __LINE__, "tchdbout");
                err = true;
                break;
            }
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    iprintf("random writing and reopening:\n");
    for (int i = 1; i <= rnum; i++) {
        if (myrand(10) == 0) {
            int ksiz, vsiz;
            char *kbuf, *vbuf;
            ksiz = (myrand(5) == 0) ? myrand(UINT16_MAX) : myrand(RECBUFSIZ);
            kbuf = tcmalloc(ksiz + 1);
            memset(kbuf, '@', ksiz);
            vsiz = (myrand(5) == 0) ? myrand(UINT16_MAX) : myrand(RECBUFSIZ);
            vbuf = tcmalloc(vsiz + 1);
            for (int j = 0; j < vsiz; j++) {
                vbuf[j] = myrand(256);
            }
            switch (myrand(4)) {
                case 0:
                    if (!tchdbput(hdb, kbuf, ksiz, vbuf, vsiz)) {
                        eprint(hdb, __LINE__, "tchdbput");
                        err = true;
                    }
                    break;
                case 1:
                    if (!tchdbputcat(hdb, kbuf, ksiz, vbuf, vsiz)) {
                        eprint(hdb, __LINE__, "tchdbputcat");
                        err = true;
                    }
                    break;
                case 2:
                    if (!tchdbputasync(hdb, kbuf, ksiz, vbuf, vsiz)) {
                        eprint(hdb, __LINE__, "tchdbputasync");
                        err = true;
                    }
                    break;
                case 3:
                    if (!tchdbout(hdb, kbuf, ksiz) && tchdbecode(hdb) != TCENOREC) {
                        eprint(hdb, __LINE__, "tchdbout");
                        err = true;
                    }
                    break;
            }
            tcfree(vbuf);
            tcfree(kbuf);
        } else {
            char kbuf[RECBUFSIZ];
            int ksiz = myrand(RECBUFSIZ);
            memset(kbuf, '@', ksiz);
            char vbuf[RECBUFSIZ];
            int vsiz = myrand(RECBUFSIZ);
            memset(vbuf, '@', vsiz);
            if (!tchdbput(hdb, kbuf, ksiz, vbuf, vsiz)) {
                eprint(hdb, __LINE__, "tchdbputcat");
                err = true;
                break;
            }
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    if (!tchdbclose(hdb)) {
        eprint(hdb, __LINE__, "tchdbclose");
        err = true;
    }
    if (!tchdbopen(hdb, path, HDBOWRITER | omode)) {
        eprint(hdb, __LINE__, "tchdbopen");
        err = true;
    }
    iprintf("checking:\n");
    for (int i = 1; i <= rnum; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "[%d]", i);
        int vsiz;
        char *vbuf = tchdbget(hdb, kbuf, ksiz, &vsiz);
        if (i % 2 == 0) {
            if (!vbuf) {
                eprint(hdb, __LINE__, "tchdbget");
                err = true;
                break;
            }
            if (vsiz != i % RECBUFSIZ && vsiz != PATH_MAX) {
                eprint(hdb, __LINE__, "(validation)");
                err = true;
                tcfree(vbuf);
                break;
            }
        } else {
            if (vbuf || tchdbecode(hdb) != TCENOREC) {
                eprint(hdb, __LINE__, "(validation)");
                err = true;
                tcfree(vbuf);
                break;
            }
        }
        tcfree(vbuf);
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    iprintf("writing:\n");
    for (int i = 1; i <= rnum; i++) {
        char buf[RECBUFSIZ];
        int len = sprintf(buf, "%08d", i);
        if (!tchdbput(hdb, buf, len, buf, len)) {
            eprint(hdb, __LINE__, "tchdbput");
            err = true;
            break;
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    iprintf("reading:\n");
    for (int i = 1; i <= rnum; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%08d", i);
        int vsiz;
        char *vbuf = tchdbget(hdb, kbuf, ksiz, &vsiz);
        if (!vbuf) {
            eprint(hdb, __LINE__, "tchdbget");
            err = true;
            break;
        } else if (vsiz != ksiz || memcmp(vbuf, kbuf, vsiz)) {
            eprint(hdb, __LINE__, "(validation)");
            err = true;
            tcfree(vbuf);
            break;
        }
        tcfree(vbuf);
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    iprintf("checking words:\n");
    for (int i = 0; words[i] != NULL; i += 2) {
        const char *kbuf = words[i];
        int ksiz = strlen(kbuf);
        const char *vbuf = words[i + 1];
        int vsiz = strlen(vbuf);
        int rsiz;
        char *rbuf = tchdbget(hdb, kbuf, ksiz, &rsiz);
        if (!rbuf) {
            eprint(hdb, __LINE__, "tchdbget");
            err = true;
            break;
        } else if (rsiz != vsiz || memcmp(rbuf, vbuf, rsiz)) {
            eprint(hdb, __LINE__, "(validation)");
            err = true;
            tcfree(rbuf);
            break;
        }
        tcfree(rbuf);
        if (rnum > 250) iputchar('.');
    }
    if (rnum > 250) iprintf(" (%08d)\n", (int) (sizeof (words) / sizeof (*words)));
    iprintf("checking iterator:\n");
    int inum = 0;
    if (!tchdbiterinit(hdb)) {
        eprint(hdb, __LINE__, "tchdbiterinit");
        err = true;
    }
    char *kbuf;
    int ksiz;
    for (int i = 1; (kbuf = tchdbiternext(hdb, &ksiz)) != NULL; i++, inum++) {
        int vsiz;
        char *vbuf = tchdbget(hdb, kbuf, ksiz, &vsiz);
        if (!vbuf) {
            eprint(hdb, __LINE__, "tchdbget");
            err = true;
            tcfree(kbuf);
            break;
        }
        tcfree(vbuf);
        tcfree(kbuf);
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    if (rnum > 250) iprintf(" (%08d)\n", inum);
    if (tchdbecode(hdb) != TCENOREC || inum != tchdbrnum(hdb)) {
        eprint(hdb, __LINE__, "(validation)");
        err = true;
    }
    iprintf("iteration updating:\n");
    if (!tchdbiterinit(hdb)) {
        eprint(hdb, __LINE__, "tchdbiterinit");
        err = true;
    }
    inum = 0;
    for (int i = 1; (kbuf = tchdbiternext(hdb, &ksiz)) != NULL; i++, inum++) {
        if (myrand(2) == 0) {
            if (!tchdbputcat(hdb, kbuf, ksiz, "0123456789", 10)) {
                eprint(hdb, __LINE__, "tchdbputcat");
                err = true;
                tcfree(kbuf);
                break;
            }
        } else {
            if (!tchdbout(hdb, kbuf, ksiz)) {
                eprint(hdb, __LINE__, "tchdbout");
                err = true;
                tcfree(kbuf);
                break;
            }
        }
        tcfree(kbuf);
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    if (rnum > 250) iprintf(" (%08d)\n", inum);
    if (tchdbecode(hdb) != TCENOREC || inum < tchdbrnum(hdb)) {
        eprint(hdb, __LINE__, "(validation)");
        err = true;
    }
    if (myrand(10) == 0 && !tchdbsync(hdb)) {
        eprint(hdb, __LINE__, "tchdbsync");
        err = true;
    }
    if (!tchdbvanish(hdb)) {
        eprint(hdb, __LINE__, "tchdbvanish");
        err = true;
    }
    TCMAP *map = tcmapnew();
    iprintf("random writing:\n");
    for (int i = 1; i <= rnum; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%d", myrand(rnum));
        char vbuf[RECBUFSIZ];
        int vsiz = sprintf(vbuf, "%d", myrand(rnum));
        switch (myrand(4)) {
            case 0:
                if (!tchdbput(hdb, kbuf, ksiz, vbuf, vsiz)) {
                    eprint(hdb, __LINE__, "tchdbput");
                    err = true;
                }
                tcmapput(map, kbuf, ksiz, vbuf, vsiz);
                break;
            case 1:
                if (!tchdbputkeep(hdb, kbuf, ksiz, vbuf, vsiz) && tchdbecode(hdb) != TCEKEEP) {
                    eprint(hdb, __LINE__, "tchdbputkeep");
                    err = true;
                }
                tcmapputkeep(map, kbuf, ksiz, vbuf, vsiz);
                break;
            case 2:
                if (!tchdbputcat(hdb, kbuf, ksiz, vbuf, vsiz)) {
                    eprint(hdb, __LINE__, "tchdbputcat");
                    err = true;
                }
                tcmapputcat(map, kbuf, ksiz, vbuf, vsiz);
                break;
            case 3:
                if (!tchdbout(hdb, kbuf, ksiz) && tchdbecode(hdb) != TCENOREC) {
                    eprint(hdb, __LINE__, "tchdbout");
                    err = true;
                }
                tcmapout(map, kbuf, ksiz);
                break;
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    if (myrand(4) == 0 && !tchdbdefrag(hdb, 0)) {
        eprint(hdb, __LINE__, "tchdbdefrag");
        err = true;
    }
    if (myrand(4) == 0 && !tchdbcacheclear(hdb)) {
        eprint(hdb, __LINE__, "tchdbcacheclear");
        err = true;
    }
    iprintf("checking transaction commit:\n");
    if (!tchdbtranbegin(hdb)) {
        eprint(hdb, __LINE__, "tchdbtranbegin");
        err = true;
    }
    for (int i = 1; i <= rnum; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%d", myrand(rnum));
        char vbuf[RECBUFSIZ];
        int vsiz = sprintf(vbuf, "[%d]", myrand(rnum));
        switch (myrand(7)) {
            case 0:
                if (!tchdbput(hdb, kbuf, ksiz, vbuf, vsiz)) {
                    eprint(hdb, __LINE__, "tchdbput");
                    err = true;
                }
                tcmapput(map, kbuf, ksiz, vbuf, vsiz);
                break;
            case 1:
                if (!tchdbputkeep(hdb, kbuf, ksiz, vbuf, vsiz) && tchdbecode(hdb) != TCEKEEP) {
                    eprint(hdb, __LINE__, "tchdbputkeep");
                    err = true;
                }
                tcmapputkeep(map, kbuf, ksiz, vbuf, vsiz);
                break;
            case 2:
                if (!tchdbputcat(hdb, kbuf, ksiz, vbuf, vsiz)) {
                    eprint(hdb, __LINE__, "tchdbputcat");
                    err = true;
                }
                tcmapputcat(map, kbuf, ksiz, vbuf, vsiz);
                break;
            case 3:
                if (tchdbaddint(hdb, kbuf, ksiz, 1) == INT_MIN && tchdbecode(hdb) != TCEKEEP) {
                    eprint(hdb, __LINE__, "tchdbaddint");
                    err = true;
                }
                tcmapaddint(map, kbuf, ksiz, 1);
                break;
            case 4:
                if (isnan(tchdbadddouble(hdb, kbuf, ksiz, 1.0)) && tchdbecode(hdb) != TCEKEEP) {
                    eprint(hdb, __LINE__, "tchdbadddouble");
                    err = true;
                }
                tcmapadddouble(map, kbuf, ksiz, 1.0);
                break;
            case 5:
                if (myrand(2) == 0) {
                    void *op = (void *) (intptr_t) (myrand(3) + 1);
                    if (!tchdbputproc(hdb, kbuf, ksiz, vbuf, vsiz, pdprocfunc, op) &&
                            tchdbecode(hdb) != TCEKEEP) {
                        eprint(hdb, __LINE__, "tchdbputproc");
                        err = true;
                    }
                    tcmapputproc(map, kbuf, ksiz, vbuf, vsiz, pdprocfunc, op);
                } else {
                    vsiz = myrand(10);
                    void *op = (void *) (intptr_t) (myrand(3) + 1);
                    if (!tchdbputproc(hdb, kbuf, ksiz, NULL, vsiz, pdprocfunc, op) &&
                            tchdbecode(hdb) != TCEKEEP && tchdbecode(hdb) != TCENOREC) {
                        eprint(hdb, __LINE__, "tchdbputproc");
                        err = true;
                    }
                    tcmapputproc(map, kbuf, ksiz, NULL, vsiz, pdprocfunc, op);
                }
                break;
            case 6:
                if (!tchdbout(hdb, kbuf, ksiz) && tchdbecode(hdb) != TCENOREC) {
                    eprint(hdb, __LINE__, "tchdbout");
                    err = true;
                }
                tcmapout(map, kbuf, ksiz);
                break;
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    if (!tchdbtrancommit(hdb)) {
        eprint(hdb, __LINE__, "tchdbtrancommit");
        err = true;
    }
    iprintf("checking transaction abort:\n");
    uint64_t ornum = tchdbrnum(hdb);
    uint64_t ofsiz = tchdbfsiz(hdb);
    if (!tchdbtranbegin(hdb)) {
        eprint(hdb, __LINE__, "tchdbtranbegin");
        err = true;
    }
    for (int i = 1; i <= rnum; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%d", myrand(rnum));
        char vbuf[RECBUFSIZ];
        int vsiz = sprintf(vbuf, "((%d))", myrand(rnum));
        switch (myrand(7)) {
            case 0:
                if (!tchdbput(hdb, kbuf, ksiz, vbuf, vsiz)) {
                    eprint(hdb, __LINE__, "tchdbput");
                    err = true;
                }
                break;
            case 1:
                if (!tchdbputkeep(hdb, kbuf, ksiz, vbuf, vsiz) && tchdbecode(hdb) != TCEKEEP) {
                    eprint(hdb, __LINE__, "tchdbputkeep");
                    err = true;
                }
                break;
            case 2:
                if (!tchdbputcat(hdb, kbuf, ksiz, vbuf, vsiz)) {
                    eprint(hdb, __LINE__, "tchdbputcat");
                    err = true;
                }
                break;
            case 3:
                if (tchdbaddint(hdb, kbuf, ksiz, 1) == INT_MIN && tchdbecode(hdb) != TCEKEEP) {
                    eprint(hdb, __LINE__, "tchdbaddint");
                    err = true;
                }
                break;
            case 4:
                if (isnan(tchdbadddouble(hdb, kbuf, ksiz, 1.0)) && tchdbecode(hdb) != TCEKEEP) {
                    eprint(hdb, __LINE__, "tchdbadddouble");
                    err = true;
                }
                break;
            case 5:
                if (myrand(2) == 0) {
                    void *op = (void *) (intptr_t) (myrand(3) + 1);
                    if (!tchdbputproc(hdb, kbuf, ksiz, vbuf, vsiz, pdprocfunc, op) &&
                            tchdbecode(hdb) != TCEKEEP) {
                        eprint(hdb, __LINE__, "tchdbputproc");
                        err = true;
                    }
                } else {
                    vsiz = myrand(10);
                    void *op = (void *) (intptr_t) (myrand(3) + 1);
                    if (!tchdbputproc(hdb, kbuf, ksiz, NULL, vsiz, pdprocfunc, op) &&
                            tchdbecode(hdb) != TCEKEEP && tchdbecode(hdb) != TCENOREC) {
                        eprint(hdb, __LINE__, "tchdbputproc");
                        err = true;
                    }
                }
                break;
            case 6:
                if (!tchdbout(hdb, kbuf, ksiz) && tchdbecode(hdb) != TCENOREC) {
                    eprint(hdb, __LINE__, "tchdbout");
                    err = true;
                }
                break;
        }
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    if (!tchdbtranabort(hdb)) {
        eprint(hdb, __LINE__, "tchdbtranabort");
        err = true;
    }
    iprintf("checking consistency: %d %d\n", (int) tchdbrnum(hdb), (int) ornum);
    if (tchdbrnum(hdb) != ornum || tchdbfsiz(hdb) != ofsiz || tchdbrnum(hdb) != tcmaprnum(map)) {
        eprint(hdb, __LINE__, "(validation)");
        err = true;
    }
    inum = 0;
    tcmapiterinit(map);
    const char *tkbuf;
    int tksiz;
    for (int i = 1; (tkbuf = tcmapiternext(map, &tksiz)) != NULL; i++, inum++) {
        int tvsiz;
        const char *tvbuf = tcmapiterval(tkbuf, &tvsiz);
        int rsiz;
        char *rbuf = tchdbget(hdb, tkbuf, tksiz, &rsiz);
        if (!rbuf || rsiz != tvsiz || memcmp(rbuf, tvbuf, rsiz)) {
            eprint(hdb, __LINE__, "(validation)");
            err = true;
            tcfree(rbuf);
            break;
        }
        tcfree(rbuf);
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    if (rnum > 250) iprintf(" (%08d)\n", inum);
    inum = 0;
    if (!tchdbiterinit(hdb)) {
        eprint(hdb, __LINE__, "tchdbiterinit");
        err = true;
    }
    for (int i = 1; (kbuf = tchdbiternext(hdb, &ksiz)) != NULL; i++, inum++) {
        int vsiz;
        char *vbuf = tchdbget(hdb, kbuf, ksiz, &vsiz);
        int rsiz;
        const char *rbuf = tcmapget(map, kbuf, ksiz, &rsiz);
        if (!rbuf || rsiz != vsiz || memcmp(rbuf, vbuf, rsiz)) {
            eprint(hdb, __LINE__, "(validation)");
            err = true;
            tcfree(vbuf);
            tcfree(kbuf);
            break;
        }
        tcfree(vbuf);
        tcfree(kbuf);
        if (rnum > 250 && i % (rnum / 250) == 0) {
            iputchar('.');
            if (i == rnum || i % (rnum / 10) == 0) iprintf(" (%08d)\n", i);
        }
    }
    if (rnum > 250) iprintf(" (%08d)\n", inum);
    tcmapdel(map);
    if (!tchdbvanish(hdb)) {
        eprint(hdb, __LINE__, "tchdbvanish");
        err = true;
    }
    for (int i = myrand(3) + 1; i < PATH_MAX; i = i * 2 + myrand(3)) {
        char vbuf[i];
        memset(vbuf, '@', i - 1);
        vbuf[i - 1] = '\0';
        if (!tchdbput2(hdb, "mikio", vbuf)) {
            eprint(hdb, __LINE__, "tchdbput2");
            err = true;
        }
    }
    if (!tchdbput2(hdb, "mikio", "nanashi")) {
        eprint(hdb, __LINE__, "tchdbput2");
        err = true;
    }
    if (!tchdbtranbegin(hdb)) {
        eprint(hdb, __LINE__, "tchdbtranbegin");
        err = true;
    }
    if (!tchdbput2(hdb, "mikio", "hirabayashi")) {
        eprint(hdb, __LINE__, "tchdbput2");
        err = true;
    }
    for (int i = 0; i < 10; i++) {
        char buf[RECBUFSIZ];
        int size = sprintf(buf, "%d", myrand(rnum));
        if (!tchdbput(hdb, buf, size, buf, size)) {
            eprint(hdb, __LINE__, "tchdbput");
            err = true;
        }
    }
    for (int i = myrand(3) + 1; i < PATH_MAX; i = i * 2 + myrand(3)) {
        char vbuf[i];
        memset(vbuf, '@', i - 1);
        vbuf[i - 1] = '\0';
        if (!tchdbput2(hdb, "mikio", vbuf)) {
            eprint(hdb, __LINE__, "tchdbput2");
            err = true;
        }
    }
    if (!tchdbforeach(hdb, iterfunc, NULL)) {
        eprint(hdb, __LINE__, "tchdbforeach");
        err = true;
    }
    iprintf("record number: %" PRIuMAX "\n", (uint64_t) tchdbrnum(hdb));
    iprintf("size: %" PRIuMAX "\n", (uint64_t) tchdbfsiz(hdb));
    mprint(hdb);
    sysprint();
    if (!tchdbclose(hdb)) {
        eprint(hdb, __LINE__, "tchdbclose");
        err = true;
    }
    tchdbdel(hdb);
    iprintf("time: %.3f\n", tctime() - stime);
    iprintf("%s\n\n", err ? "error" : "ok");
    return err ? 1 : 0;
}

/* perform wicked command */
static int procwicked(const char *path, int rnum, bool mt, int opts, int omode) {
    iprintf("<Wicked Writing Test>\n  seed=%u  path=%s  rnum=%d  mt=%d  opts=%d  omode=%d\n\n",
            g_randseed, path, rnum, mt, opts, omode);
    bool err = false;
    double stime = tctime();
    TCHDB *hdb = tchdbnew();
    if (!INVALIDHANDLE(g_dbgfd)) tchdbsetdbgfd(hdb, g_dbgfd);
    if (mt && !tchdbsetmutex(hdb)) {
        eprint(hdb, __LINE__, "tchdbsetmutex");
        err = true;
    }
    if (!tchdbsetcodecfunc(hdb, _tc_recencode, NULL, _tc_recdecode, NULL)) {
        eprint(hdb, __LINE__, "tchdbsetcodecfunc");
        err = true;
    }
    if (!tchdbtune(hdb, rnum / 50, 2, -1, opts)) {
        eprint(hdb, __LINE__, "tchdbtune");
        err = true;
    }
    if (!tchdbsetcache(hdb, rnum / 10)) {
        eprint(hdb, __LINE__, "tchdbsetcache");
        err = true;
    }
    if (!tchdbsetxmsiz(hdb, rnum * sizeof (int))) {
        eprint(hdb, __LINE__, "tchdbsetxmsiz");
        err = true;
    }
    if (!tchdbsetdfunit(hdb, 8)) {
        eprint(hdb, __LINE__, "tchdbsetdfunit");
        err = true;
    }
    if (!tchdbopen(hdb, path, HDBOWRITER | HDBOCREAT | HDBOTRUNC | omode)) {
        eprint(hdb, __LINE__, "tchdbopen");
        err = true;
    }
    if (!tchdbiterinit(hdb)) {
        eprint(hdb, __LINE__, "tchdbiterinit");
        err = true;
    }
    TCMAP *map = tcmapnew2(rnum / 5);
    for (int i = 1; i <= rnum && !err; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%d", myrand(rnum));
        char vbuf[RECBUFSIZ];
        int vsiz = myrand(RECBUFSIZ);
        memset(vbuf, '*', vsiz);
        vbuf[vsiz] = '\0';
        char *rbuf;
        switch (myrand(16)) {
            case 0:
                iputchar('0');
                if (!tchdbput(hdb, kbuf, ksiz, vbuf, vsiz)) {
                    eprint(hdb, __LINE__, "tchdbput");
                    err = true;
                }
                tcmapput(map, kbuf, ksiz, vbuf, vsiz);
                break;
            case 1:
                iputchar('1');
                if (!tchdbput2(hdb, kbuf, vbuf)) {
                    eprint(hdb, __LINE__, "tchdbput2");
                    err = true;
                }
                tcmapput2(map, kbuf, vbuf);
                break;
            case 2:
                iputchar('2');
                if (!tchdbputkeep(hdb, kbuf, ksiz, vbuf, vsiz) && tchdbecode(hdb) != TCEKEEP) {
                    eprint(hdb, __LINE__, "tchdbputkeep");
                    err = true;
                }
                tcmapputkeep(map, kbuf, ksiz, vbuf, vsiz);
                break;
            case 3:
                iputchar('3');
                if (!tchdbputkeep2(hdb, kbuf, vbuf) && tchdbecode(hdb) != TCEKEEP) {
                    eprint(hdb, __LINE__, "tchdbputkeep2");
                    err = true;
                }
                tcmapputkeep2(map, kbuf, vbuf);
                break;
            case 4:
                iputchar('4');
                if (!tchdbputcat(hdb, kbuf, ksiz, vbuf, vsiz)) {
                    eprint(hdb, __LINE__, "tchdbputcat");
                    err = true;
                }
                tcmapputcat(map, kbuf, ksiz, vbuf, vsiz);
                break;
            case 5:
                iputchar('5');
                if (!tchdbputcat2(hdb, kbuf, vbuf)) {
                    eprint(hdb, __LINE__, "tchdbputcat2");
                    err = true;
                }
                tcmapputcat2(map, kbuf, vbuf);
                break;
            case 6:
                iputchar('6');
                if (!tchdbputasync(hdb, kbuf, ksiz, vbuf, vsiz)) {
                    eprint(hdb, __LINE__, "tchdbputasync");
                    err = true;
                }
                tcmapput(map, kbuf, ksiz, vbuf, vsiz);
                break;
            case 7:
                iputchar('7');
                if (!tchdbputasync2(hdb, kbuf, vbuf)) {
                    eprint(hdb, __LINE__, "tchdbputasync2");
                    err = true;
                }
                tcmapput2(map, kbuf, vbuf);
                break;
            case 8:
                iputchar('8');
                if (myrand(10) == 0) {
                    if (!tchdbout(hdb, kbuf, ksiz) && tchdbecode(hdb) != TCENOREC) {
                        eprint(hdb, __LINE__, "tchdbout");
                        err = true;
                    }
                    tcmapout(map, kbuf, ksiz);
                }
                break;
            case 9:
                iputchar('9');
                if (myrand(10) == 0) {
                    if (!tchdbout2(hdb, kbuf) && tchdbecode(hdb) != TCENOREC) {
                        eprint(hdb, __LINE__, "tchdbout2");
                        err = true;
                    }
                    tcmapout2(map, kbuf);
                }
                break;
            case 10:
                iputchar('A');
                if (!(rbuf = tchdbget(hdb, kbuf, ksiz, &vsiz))) {
                    if (tchdbecode(hdb) != TCENOREC) {
                        eprint(hdb, __LINE__, "tchdbget");
                        err = true;
                    }
                    rbuf = tcsprintf("[%d]", myrand(i + 1));
                    vsiz = strlen(rbuf);
                }
                vsiz += myrand(vsiz);
                if (myrand(3) == 0) vsiz += PATH_MAX;
                rbuf = tcrealloc(rbuf, vsiz + 1);
                for (int j = 0; j < vsiz; j++) {
                    rbuf[j] = myrand(0x100);
                }
                if (!tchdbput(hdb, kbuf, ksiz, rbuf, vsiz)) {
                    eprint(hdb, __LINE__, "tchdbput");
                    err = true;
                }
                tcmapput(map, kbuf, ksiz, rbuf, vsiz);
                tcfree(rbuf);
                break;
            case 11:
                iputchar('B');
                if (!(rbuf = tchdbget(hdb, kbuf, ksiz, &vsiz)) && tchdbecode(hdb) != TCENOREC) {
                    eprint(hdb, __LINE__, "tchdbget");
                    err = true;
                }
                tcfree(rbuf);
                break;
            case 12:
                iputchar('C');
                if (!(rbuf = tchdbget2(hdb, kbuf)) && tchdbecode(hdb) != TCENOREC) {
                    eprint(hdb, __LINE__, "tchdbget2");
                    err = true;
                }
                tcfree(rbuf);
                break;
            case 13:
                iputchar('D');
                if (myrand(1) == 0) vsiz = 1;
                if ((vsiz = tchdbget3(hdb, kbuf, ksiz, vbuf, vsiz)) < 0 && tchdbecode(hdb) != TCENOREC) {
                    eprint(hdb, __LINE__, "tchdbget3");
                    err = true;
                }
                break;
            case 14:
                iputchar('E');
                if (myrand(rnum / 50) == 0) {
                    if (!tchdbiterinit(hdb)) {
                        eprint(hdb, __LINE__, "tchdbiterinit");
                        err = true;
                    }
                }
                TCXSTR *ikey = tcxstrnew();
                TCXSTR *ival = tcxstrnew();
                for (int j = myrand(rnum) / 1000 + 1; j >= 0; j--) {
                    if (j % 3 == 0) {
                        if (tchdbiternext3(hdb, ikey, ival)) {
                            if (tcxstrsize(ival) != tchdbvsiz(hdb, tcxstrptr(ikey), tcxstrsize(ikey))) {
                                eprint(hdb, __LINE__, "(validation)");
                                err = true;
                            }
                        } else {
                            int ecode = tchdbecode(hdb);
                            if (ecode != TCEINVALID && ecode != TCENOREC) {
                                eprint(hdb, __LINE__, "tchdbiternext3");
                                err = true;
                            }
                        }
                    } else {
                        int iksiz;
                        char *ikbuf = tchdbiternext(hdb, &iksiz);
                        if (ikbuf) {
                            tcfree(ikbuf);
                        } else {
                            int ecode = tchdbecode(hdb);
                            if (ecode != TCEINVALID && ecode != TCENOREC) {
                                eprint(hdb, __LINE__, "tchdbiternext");
                                err = true;
                            }
                        }
                    }
                }
                tcxstrdel(ival);
                tcxstrdel(ikey);
                break;
            default:
                iputchar('@');
                if (myrand(10000) == 0) srand((unsigned int) (tctime() * 1000) % UINT_MAX);
                if (myrand(rnum / 16 + 1) == 0) {
                    int cnt = myrand(30);
                    for (int j = 0; j < rnum && !err; j++) {
                        ksiz = sprintf(kbuf, "%d", i + j);
                        if (tchdbout(hdb, kbuf, ksiz)) {
                            cnt--;
                        } else if (tchdbecode(hdb) != TCENOREC) {
                            eprint(hdb, __LINE__, "tchdbout");
                            err = true;
                        }
                        tcmapout(map, kbuf, ksiz);
                        if (cnt < 0) break;
                    }
                }
                break;
        }
        if (i % 50 == 0) iprintf(" (%08d)\n", i);
        if (i == rnum / 2) {
            if (!tchdbclose(hdb)) {
                eprint(hdb, __LINE__, "tchdbclose");
                err = true;
            }
            if (!tchdbopen(hdb, path, HDBOWRITER | omode)) {
                eprint(hdb, __LINE__, "tchdbopen");
                err = true;
            }
        } else if (i == rnum / 4) {
            char *npath = tcsprintf("%s-tmp", path);
            if (!tchdbcopy(hdb, npath)) {
                eprint(hdb, __LINE__, "tchdbcopy");
                err = true;
            }
            TCHDB *nhdb = tchdbnew();
            if (!tchdbsetcodecfunc(nhdb, _tc_recencode, NULL, _tc_recdecode, NULL)) {
                eprint(nhdb, __LINE__, "tchdbsetcodecfunc");
                err = true;
            }
            if (!tchdbopen(nhdb, npath, HDBOREADER | omode)) {
                eprint(nhdb, __LINE__, "tchdbopen");
                err = true;
            }
            tchdbdel(nhdb);
            unlink(npath);
            tcfree(npath);
            if (!tchdboptimize(hdb, rnum / 50, -1, -1, -1)) {
                eprint(hdb, __LINE__, "tchdboptimize");
                err = true;
            }
            if (!tchdbiterinit(hdb)) {
                eprint(hdb, __LINE__, "tchdbiterinit");
                err = true;
            }
        } else if (i == rnum / 8) {
            if (!tchdbtranbegin(hdb)) {
                eprint(hdb, __LINE__, "tchdbtranbegin");
                err = true;
            }
        } else if (i == rnum / 8 + rnum / 16) {
            if (!tchdbtrancommit(hdb)) {
                eprint(hdb, __LINE__, "tchdbtrancommit");
                err = true;
            }
        }
    }
    if (rnum % 50 > 0) iprintf(" (%08d)\n", rnum);
    if (!tchdbsync(hdb)) {
        eprint(hdb, __LINE__, "tchdbsync");
        err = true;
    }
    if (tchdbrnum(hdb) != tcmaprnum(map)) {
        eprint(hdb, __LINE__, "(validation)");
        err = true;
    }
    for (int i = 1; i <= rnum && !err; i++) {
        char kbuf[RECBUFSIZ];
        int ksiz = sprintf(kbuf, "%d", i - 1);
        int vsiz;
        const char *vbuf = tcmapget(map, kbuf, ksiz, &vsiz);
        int rsiz;
        char *rbuf = tchdbget(hdb, kbuf, ksiz, &rsiz);
        if (vbuf) {
            iputchar('.');
            if (!rbuf) {
                eprint(hdb, __LINE__, "tchdbget");
                err = true;
            } else if (rsiz != vsiz || memcmp(rbuf, vbuf, rsiz)) {
                eprint(hdb, __LINE__, "(validation)");
                err = true;
            }
        } else {
            iputchar('*');
            if (rbuf || tchdbecode(hdb) != TCENOREC) {
                eprint(hdb, __LINE__, "(validation)");
                err = true;
            }
        }
        tcfree(rbuf);
        if (i % 50 == 0) iprintf(" (%08d)\n", i);
    }
    if (rnum % 50 > 0) iprintf(" (%08d)\n", rnum);
    int inum = 0;
    char *cbuf;
    int csiz;
    if (myrand(2) == 0) {
        cbuf = tchdbgetnext(hdb, NULL, -1, &csiz);
    } else {
        const char *cvbuf;
        int cvsiz;
        cbuf = tchdbgetnext3(hdb, NULL, -1, &csiz, &cvbuf, &cvsiz);
    }
    while (cbuf) {
        inum++;
        iputchar(':');
        int nsiz;
        char *nbuf;
        if (myrand(2) == 0) {
            nbuf = tchdbgetnext(hdb, cbuf, csiz, &nsiz);
        } else {
            const char *cvbuf;
            int cvsiz;
            nbuf = tchdbgetnext3(hdb, cbuf, csiz, &nsiz, &cvbuf, &cvsiz);
        }
        if (myrand(10) == 0) {
            if (!tchdbiterinit2(hdb, cbuf, csiz)) {
                eprint(hdb, __LINE__, "tchdbiterinit2");
                err = true;
            }
            int ksiz;
            char *kbuf = tchdbiternext(hdb, &ksiz);
            if (kbuf) {
                tcfree(kbuf);
            } else {
                eprint(hdb, __LINE__, "tchdbiternext");
                err = true;
            }
            for (int i = 0; i < 5; i++) {
                kbuf = tchdbiternext(hdb, &ksiz);
                if (kbuf) {
                    tcfree(kbuf);
                } else if (tchdbecode(hdb) != TCENOREC) {
                    eprint(hdb, __LINE__, "tchdbiternext");
                    err = true;
                }
            }
        }
        tcfree(cbuf);
        cbuf = nbuf;
        csiz = nsiz;
        if (inum % 50 == 0) iprintf(" (%08d)\n", inum);
    }
    tcfree(cbuf);
    if (inum % 50 > 0) iprintf(" (%08d)\n", inum);
    if (inum != tchdbrnum(hdb)) {
        eprint(hdb, __LINE__, "(validation)");
        err = true;
    }
    tcmapiterinit(map);
    int ksiz;
    const char *kbuf;
    for (int i = 1; (kbuf = tcmapiternext(map, &ksiz)) != NULL; i++) {
        iputchar('+');
        int vsiz;
        const char *vbuf = tcmapiterval(kbuf, &vsiz);
        int rsiz;
        char *rbuf = tchdbget(hdb, kbuf, ksiz, &rsiz);
        if (!rbuf) {
            eprint(hdb, __LINE__, "tchdbget");
            err = true;
        } else if (rsiz != vsiz || memcmp(rbuf, vbuf, rsiz)) {
            eprint(hdb, __LINE__, "(validation)");
            err = true;
        }
        tcfree(rbuf);
        if (!tchdbout(hdb, kbuf, ksiz)) {
            eprint(hdb, __LINE__, "tchdbout");
            err = true;
        }
        if (i % 50 == 0) iprintf(" (%08d)\n", i);
    }
    int mrnum = tcmaprnum(map);
    if (mrnum % 50 > 0) iprintf(" (%08d)\n", mrnum);
    if (tchdbrnum(hdb) != 0) {
        eprint(hdb, __LINE__, "(validation)");
        err = true;
    }
    iprintf("record number: %" PRIuMAX "\n", (uint64_t) tchdbrnum(hdb));
    iprintf("size: %" PRIuMAX "\n", (uint64_t) tchdbfsiz(hdb));
    mprint(hdb);
    sysprint();
    tcmapdel(map);
    if (!tchdbclose(hdb)) {
        eprint(hdb, __LINE__, "tchdbclose");
        err = true;
    }
    tchdbdel(hdb);
    iprintf("time: %.3f\n", tctime() - stime);
    iprintf("%s\n\n", err ? "error" : "ok");
    return err ? 1 : 0;
}



// END OF FILE
